USPTO Patents Application 09526391

PATENT ABSTRACTS OF JAPAN

(1 DPublication number : 08-314805
(43)Date of publication of application : 29.11.1996

(51)IntCI.

G06F 12/14

G06F 15/00

(21 )Appiication number : 07-121853

(71)Applicant :

NEC CORP

(22)Date of filing : 19.05.1995

(72)Inventor : y

ARIGA KENICHI

(54) SYSTEM FOR PREVENTING PORTABLE RADIO TERMINAL FROM BEING ILLEGALLY USED AND METHOD FOR
EXECUTING THE SAME

(57)Abstract

PURPOSE: To prevent a portable radio terminal from being illegally used by
providing a means for erasing internal data after the completion of backup copy.
CONSTITUTION: A portable radio terminal 11 judges the illegal use of the
terminal and transmits an illegal use report message to an information center 13.
At the information center 13 ? a system data dump request message is
transmitted for the backup copy of internal data in the portable radio terminal
11. On the side of the portable radio terminal, the transmission of internal data is
started after the system data dump request message was transmitted. These
system data of the portable radio terminal 11 are sent every packet as unit and
at the information center 13. a reception confirm message is transmitted to the
portable radio terminal 1 1 for every packet After the completion of backup copy,
the information center 13 transmits a system lock request message to the
portable radio terminal 11. At the portable radio terminal 11, , a system lock
complete message is transmitted, the internal data are erased, and the portable
radio terminal 1 1 is turned to be in an unusable state and locked.

LEGAL STATUS

[Date of request for examination] 1 9.05.1 995

[Date of sending the examiner's decision of rejection] 30.04.1997

[Kind of final disposal of application other than the examiner's

decision of rejection or application converted registration]

[Date of final disposal for application]

[Patent number]

[Date of registration]

[Number of appeal against examiner s decision of rejection]

[Date of requesting appeal against examiner's decision of
rejection]

[Date of extinction of right]

. Copyright (C); 1998,2003 Japan Patent Office

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